#--
# Copyright (c) 2004-2010 Mellanox Technologies LTD. All rights reserved.
#
# This software is available to you under a choice of one of two
# licenses. You may choose to be licensed under the terms of the GNU
# General Public License (GPL) Version 2, available from the file
# COPYING in the main directory of this source tree, or the
# OpenIB.org BSD license below:
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
# - Redistributions of source code must retain the above
# copyright notice, this list of conditions and the following
# disclaimer.
#
# - Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#--
puts "FLOW: set some unicast partial connectivity"
# get random list of switch nodes:
proc getRandomSwitchNodesList {fabric} {
global IB_SW_NODE
# get number of nodes:
set nodesByName [IBFabric_NodeByName_get $fabric]
set nodeNOrderList {}
foreach nodeNameNId [IBFabric_NodeByName_get $fabric] {
set node [lindex $nodeNameNId 1]
# only switches please
if {[IBNode_type_get $node] == $IB_SW_NODE} {
lappend nodeNOrderList [list $node [rmRand]]
}
}
set randNodes {}
foreach nodeNRnd [lsort -index 1 -real $nodeNOrderList] {
lappend randNodes [lindex $nodeNRnd 0]
}
return $randNodes
}
# scan the switches (randomly) for a LFT entry which is not zero
# delete one entry ...
proc removeUCastRouteEntry {fabric} {
set nodes [getRandomSwitchNodesList $fabric]
while {[llength $nodes]} {
set node [lindex $nodes 0]
set nodeName [IBNode_name_get $node]
set lft [IBNode_LFT_get $node]
# convert to LID Port list
set lidPortList {}
for {set lid 0 } {$lid < [llength $lft]} {incr lid} {
set outPort [lindex $lft $lid]
if {($outPort != 0xff) && ($outPort != 0) } {
lappend lidPortList [list $lid $outPort]
}
}
# select a random entry
if {[llength $lidPortList]} {
set badLidIdx [expr int([rmRand]*[llength $lidPortList])]
set badLidNPort [lindex $lidPortList $badLidIdx]
set badLid [lindex $badLidNPort 0]
set wasPort [lindex $badLidNPort 1]
puts "-I- Deleting LFT on $nodeName lid:$badLid (was $wasPort)"
IBNode_setLFTPortForLid $node $badLid 0xff
return 0
}
set nodes [lrange $nodes 1 end]
}
return 1
}
# setup post SM run changes:
proc postSmSettings {fabric} {
global errorInfo
set nDisconencted 0
# now go and delete some switch MC entries...
for {set i 0} {$i < 3} {incr i} {
# delete one entry
if {![removeUCastRouteEntry $fabric]} {
incr nDisconencted
}
}
return "-I- Disconnected $nDisconencted LFT Entries"
}
# make sure ibdiagnet reported the bad links
proc verifyDiagRes {fabric logFile} {
return "Could not figure out if OK yet"
}
set fabric [IBMgtSimulator getFabric]